Book digitized by Google from the library of University of Michigan and uploaded to the Internet Archive by user tpb.
The forces of matter. The chemical history of a candle. By M. Faraday.--On the conservation of force. Ice and glaciers. By H. von Helmholtz.--The wave theory of light. The tides. By Sir W. Thomson (Lord Kelvin)--The extent of the universe, by S. Newcomb.--Geographical evolution, by Sir A. Geikie